- (Public Value) UCANR: Promoting economic prosperity in California
- Author: Michelle Leinfelder-Miles
- Author: Nicholas Clark
- Author: Sarah Light
- Author: Konrad Mathesius
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This is our second in a series of blog posts on improving nitrogen (N) use efficiency in California small grains. This post focuses on the use of N-rich reference zones to assess in-season N status and make management decisions based on crop need. Our goal is to help growers and consultants learn how to use N-rich zones to improve small grain N fertilizer use efficiency and reduce negative environmental outcomes. To demonstrate what we know about this practice across the small grain growing regions of the state, our team has helped growers establish N-rich zones in their fields across a wide range of soil and climatic conditions. These demonstration sites are in the Sacramento Valley, Delta Region, San Joaquin Valley, and the...
- Author: Phoebe Gordon
Bloom is an important time in all crops, and pistachio is no exception. Some of the activities that are often performed around bloom is mowing or tilling row middles, as well as application of burndown herbicides. However, recently released results from a research project led by Lu Zhang (and also included Bob Beede, Gary Banuelos, Christopher Wallis, and Louise Ferguson), formerly a postdoctoral scholar at UC Davis and now a professor at Oklahoma State, may make you want to rethink the timing of those activities. While I'm writing about this, I was not involved in the research.
- Author: Rachael Freeman Long
- Contributor: Brad Hanson
- Contributor: Kurt J. Hembree
With generous donations from seed companies and support from the California Dry Bean Advisory Board, we're working on two research projects in garbanzo beans this year.
One is focusing on the herbicide Tough 5EC (pyridate) for broadleaf weed control in established garbanzo stands. Currently there are no herbicides registered for use in garbanzos after crop emergence except hooded sprays or directed sprays (not on the crop). Tough by Belchim Crop Protection, is currently being registered for use in garbanzos in other states.
We're conducting two trials with Tough in garbanzos; one at the UC West Side Research and Extension Center and the other at UC Davis. Hopefully this will lead to Tough being registered for use on...
- Author: Mark Bell
We are increasingly drowning in a sea of information. In 2020, we will see more than 2 trillion web searches drawing on information from 1.7+ billion web sites. If the number of web sites is not staggering enough, we now also have a staggering 4+ million apps to choose from for our mobile devices. What's the hope of finding what we need?
And so here is where we introduce “chunking.” Now, I admit my use of the term “Chunking” may not be strictly correct – but I really wanted to try and use it in an article. What is chunking? Strictly speaking, a “chunk” (in cognitive psychology) is “a collection of basic familiar units that have...
- Author: Rachael Freeman Long
- Author: Daniel H Putnam
- Author: Ian Grettenberger
The end is near for chlorpyrifos (Lorsban) applications in many California crops, now on a faster timetable than previously anticipated. This results from a recent agreement between CA Department of Pesticide Regulation (CA-DPR) and pesticide manufacturers to withdraw their products beginning in a few months (February 2020).
This is a major issue for alfalfa, since it is one of the most popular wide-spectrum insecticides for management of key alfalfa pests. These include the alfalfa weevil, Hypera postica, which chews on the foliage (Figure 1, Figure 2) and...
